feat(tc): Enable SVE for both secure and non-secure world
feat(tc): Enable SVE for both secure and non-secure world

Signed-off-by: Usama Arif <2c149411f3e2627c4e078c64c194672b53885363@arm.com>
Change-Id: I0ae8a6ea3245373a17af76c9b7dc3f38f3711091

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware